//
//  AppDelegate.swift
//  CZWeibo
//
//  Created by 周振兰 on 16/5/9.
//  Copyright © 2016年 周振兰. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        setupAppearance()
        //创建window
     window = UIWindow(frame: UIScreen.mainScreen().bounds)
  

        //设置跟控制器
        window?.rootViewController = defultViewController()
        //设置为主窗口
        window?.makeKeyAndVisible()
        //???
        let userAccount = CZUserAccountViewModel.shareIntance.userAccount
        CZPrint(items: "\(userAccount)")
        isNewVersion()
        let isUserLogin = CZUserAccountViewModel.shareIntance.isUserLogin
        CZPrint(items: "用户登录\(isUserLogin)")
    
        return true
        
    }
    
    //显示默认的控制器
    private func defultViewController() -> UIViewController
    {
        if !CZUserAccountViewModel.shareIntance.isUserLogin
        {
           //用户没有登录
            return CZMainTableBalController()
            
        }
        
        if isNewVersion()
        {
          //能到这个地方来说明用户已经登录
            return CZNewFeatureViewController()
        }else
        {
         return CZWelcomeViewController()
        }
    }
    func switchRootViewController(controller:UIViewController)
    {
        //将传入的控制器设置给widow的跟控制器
        window?.rootViewController = controller
    }
    
    ///判断是否是新版本
    func isNewVersion ()->Bool
    {
        //1.获取当前的版本
        let currentVesion = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String
       //2.获取上次版本（保存在沙盒中）
        let sandboxVersionKey = "sandboxVersionKey"
        let version = NSUserDefaults.standardUserDefaults().stringForKey(sandboxVersionKey)
        //3进行比较，只要不相同就是新版本
        let isNewVesion = currentVesion != version

        
        //4.是新版本，将当前版本号保存到沙盒
        if isNewVesion
        {
            NSUserDefaults.standardUserDefaults().setObject(currentVesion, forKey: sandboxVersionKey)
            NSUserDefaults.standardUserDefaults().synchronize()
        }
       return isNewVesion
    }
    
    //设置导航栏的皮肤
    func setupAppearance ()
    {
        let bar = UINavigationBar.appearance()
        bar.tintColor = UIColor.orangeColor()
    }
    
    
    
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

